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 ~
 ~ WSO2 Inc. licenses this file to you under the Apache License,
 ~ Version 2.0 (the "License"); you may not use this file except
 ~ in compliance with the License.
 ~ You may obtain a copy of the License at
 ~
 ~    http://www.apache.org/licenses/LICENSE-2.0
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<pre style="line-height: 100%;font-family:monospace;background-color:#ffffff; border-width:0.01mm; border-color:#000000; border-style:solid;padding:4px;font-size:10pt;"><span
        style="background-color:#ffffff;">&lt;%@ page import="org.wso2.carbon.context.CarbonContext" %&gt;
&lt;%@ page import="org.wso2.carbon.user.api.UserRealm" %&gt;
&lt;%@ page import="org.wso2.carbon.user.api.UserStoreException" %&gt;
&lt;%
    String username = request.getParameter("username");
    String password = request.getParameter("password");
    boolean status = false;

    if (username != null && username.trim().length() > 0) {
        try {
            CarbonContext context = CarbonContext.getCurrentContext();
            UserRealm realm = context.getUserRealm();
            status = realm.getUserStoreManager().authenticate(username, password);
        } catch (UserStoreException e) {
            e.printStackTrace();
        }
    }
    if (status) {
        session.setAttribute("logged-in", "true");
        session.setAttribute("username", username);
        response.sendRedirect("index.jsp");
    } else {
        session.invalidate();
        response.sendRedirect("index.jsp?failed=true");
    }
%&gt;</span></pre>